Unity of invention

(1) An application for a patent shall relate to one invention only or to a group of inventions so linked so as to form a single general inventive concept. 18 (2) The applicant may, at any time before a patent is granted, divide the application into two or more applications (referred to in this section as “divisional applications”), provided that each divisional application shall not include any matter which was not disclosed in the initial application as filed. (3) Each divisional application shall be accorded the filing date and, where applicable, the priority date, of the initial (4) The fact that a patent has been granted on an application that did not comply with the requirements of unity of invention under sub-section (1) shall not be a ground for the invalidation of the patent.